Inhibrx
INBX
163 hedge funds and large institutions have $1.36B invested in Inhibrx in 2026 Q2 according to their latest regulatory filings, with 52 funds opening new positions, 56 increasing their positions, 39 reducing their positions, and 21 closing their positions.
596% more call options, than puts
Call options by funds: $31.9M | Put options by funds: $4.59M
148% more first-time investments, than exits
New positions opened: 52 | Existing positions closed: 21
100% more funds holding in top 10
Funds holding in top 10: 2 → 4 (+2)
59% more capital invested
Capital invested by funds: $855M → $1.36B (+$503M)
44% more repeat investments, than reductions
Existing positions increased: 56 | Existing positions reduced: 39
21% more funds holding
Funds holding: 135 → 163 (+28)
10.64% more ownership
Funds ownership: 87.04% → 97.68% (+11%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Bank of America
Charlotte,
North Carolina
|
+$81M |
| 2 |
SSA
Schonfeld Strategic Advisors
New York
|
+$44.4M |
| 3 |
PHP
Parkman Healthcare Partners
Stamford,
Connecticut
|
+$25.7M |
| 4 |
Goldman Sachs
New York
|
+$24.4M |
| 5 |
FTM
First Turn Management
Del Mar,
California
|
+$16.5M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Viking Global Investors
Stamford,
Connecticut
|
-$31.4M |
| 2 |
Millennium Management
New York
|
-$18.1M |
| 3 |
PA
Perceptive Advisors
New York
|
-$14.5M |
| 4 |
SC
SummitTX Capital
Fort Worth,
Texas
|
-$12.3M |
| 5 |
SI
Sofinnova Investments
Menlo Park,
California
|
-$10.3M |
INBX Hedge Fund Activity: Q2 2026 in Review
163 of the 8,300 institutional investors tracked by Wall St. Rank reported a position in Inhibrx (INBX) for Q2 2026, worth a combined $1.36B — up 59% from $855M a quarter earlier.
Buyers outnumbered sellers: 52 funds opened new INBX positions and 21 closed out — a net gain of 31 holders — while 56 added to existing stakes and 39 trimmed.
The largest buyer was Bank of America, adding an estimated $81M. The largest seller was Viking Global Investors, cutting an estimated $31.4M.
- 163 institutional investors held Inhibrx (INBX) as of Q2 2026, up from 135 in Q1 2026.
- Funds reported $1.36B of Inhibrx stock for Q2 2026, up 59% quarter-over-quarter.
- 52 funds opened new Inhibrx positions in Q2 2026 and 21 closed out, a net change of +31 holders.
- The largest Inhibrx buyer in Q2 2026 was Bank of America, an estimated $81M added.
- The largest Inhibrx seller in Q2 2026 was Viking Global Investors, an estimated $31.4M sold.
Based on aggregated 13F filings for Q2 2026.